helper for downloading files to disk

This commit is contained in:
cupcakearmy 2019-06-21 12:27:52 +02:00
parent b1f2678dc1
commit 9832eeab22

View File

@ -1,5 +1,7 @@
import axios from 'axios'
import { spawnSync, SpawnSyncOptions } from 'child_process' import { spawnSync, SpawnSyncOptions } from 'child_process'
import { randomBytes } from 'crypto' import { randomBytes } from 'crypto'
import { createWriteStream } from 'fs'
export const exec = (command: string, args: string[], { env, ...rest }: SpawnSyncOptions = {}) => { export const exec = (command: string, args: string[], { env, ...rest }: SpawnSyncOptions = {}) => {
@ -43,3 +45,19 @@ export const singleToArray = <T>(singleOrArray: T | T[]): T[] => Array.isArray(s
export const filterObject = <T>(obj: { [key: string]: T }, filter: (item: [string, T]) => boolean): { [key: string]: T } => Object.fromEntries(Object.entries(obj).filter(filter)) export const filterObject = <T>(obj: { [key: string]: T }, filter: (item: [string, T]) => boolean): { [key: string]: T } => Object.fromEntries(Object.entries(obj).filter(filter))
export const filterObjectByKey = <T>(obj: { [key: string]: T }, keys: string[]) => filterObject(obj, ([key]) => keys.includes(key)) export const filterObjectByKey = <T>(obj: { [key: string]: T }, keys: string[]) => filterObject(obj, ([key]) => keys.includes(key))
export const downloadFile = async (url: string, to: string) => new Promise<void>(async res => {
const { data: file } = await axios({
method: 'get',
url: url,
responseType: 'stream',
})
const stream = createWriteStream(to)
const writer = file.pipe(stream)
writer.on('close', () => {
stream.close()
res()
})
})